memspyui/ui/hb/src/memspykernelobjecttypeview.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 27 May 2010 12:52:19 +0300
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permissions -rw-r--r--
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/*
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 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description:
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 *  
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 */
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#include <QStringListModel>
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#include "memspykernelobjecttypeview.h"
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#include "viewmanager.h"
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MemSpyKernelObjectTypeModel::MemSpyKernelObjectTypeModel(EngineWrapper &engine, QObject *parent) :
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	QAbstractListModel(parent),
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	mObjectTypes(engine.getKernelObjectTypes())
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{
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}
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MemSpyKernelObjectTypeModel::~MemSpyKernelObjectTypeModel()
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{
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	qDeleteAll(mObjectTypes);
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}
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int MemSpyKernelObjectTypeModel::rowCount(const QModelIndex &parent) const
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{
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	Q_UNUSED(parent);
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	return mObjectTypes.count();
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}
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QVariant MemSpyKernelObjectTypeModel::data(const QModelIndex &index, int role) const
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{
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	if (role == Qt::DisplayRole) {
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		QStringList lines;
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		lines << mObjectTypes.at(index.row())->name();
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		lines << QString("%1, %2").
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			arg(tr("%n item(s)", "", mObjectTypes.at(index.row())->count())).
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			arg(formatSize(mObjectTypes.at(index.row())->size()));
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		return lines;
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	}
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	if (role == Qt::UserRole)
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		return mObjectTypes.at(index.row())->id();
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	return QVariant();
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}
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QString MemSpyKernelObjectTypeModel::formatSize(qint64 size) const
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{
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	// If < 1000K
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	if  (size < 1024000)
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		return QString("%1K").arg(size ? qBound<int>(1, (size + 512) >> 10, 999) : 0);
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	// larger than 1M
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	double sizeInM = size / 1048576.;
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	return sizeInM >= 1000 ?
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		QString("%1G").arg(qMax<double>(1, sizeInM / 1024), 0, 'f', 1) :
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		QString("%1M").arg(qBound<double>(1, sizeInM, 999.9), 0, 'f', 1);
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}
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void MemSpyKernelObjectTypeView::initialize(const QVariantMap& params)
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{
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	MemSpyView::initialize(params);
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	setTitle(tr("Kernel Objects"));
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	mListView.setModel(new MemSpyKernelObjectTypeModel(mEngine, this));
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	connect(&mListView, SIGNAL(activated(QModelIndex)), this, SLOT(itemClicked(QModelIndex)));
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}
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void MemSpyKernelObjectTypeView::itemClicked(const QModelIndex& index)
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{
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	QVariantMap map;
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	map.insert("type", index.row());
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    mViewManager.showView(KernelObjectView, map);
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}
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